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Experimental study of bubble dynamics and flow transition recognition in a fluidized bed with wet particles

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dc.affiliation.dptoUC3M. Departamento de Ingeniería Térmica y de Fluidoses
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Ingeniería de Sistemas Energéticoses
dc.contributor.authorWang, Haotong
dc.contributor.authorSoria Verdugo, Antonio
dc.contributor.authorSun, Jingyuan
dc.contributor.authorWang, Jingdai
dc.contributor.authorYang, Yongrong
dc.contributor.authorHernández Jiménez, Fernando
dc.date.accessioned2021-09-06T10:56:38Z
dc.date.available2022-01-16T00:00:05Z
dc.date.issued2020-01-16
dc.description.abstractThis paper studies the bubble dynamics and flow transition behavior in wet particle systems. Non-coherent algorithm was used to quantitatively calculate the bubble diameters in a three-dimensional fluidized bed system loaded with wet particles, obtaining the bubble dynamics under the action of liquid. The results indicate that the incoherent analysis can detect the formation of even tiny bubbles in the fluidized bed. The kurtosis and skewness of the pressure fluctuation signal was used to obtain the critical transition conditions of the flow pattern from turbulent to laminar. Through the decay index of the incoherent spectrum, the operating conditions of the Levy-Kolmogorov flow pattern to the Kolmogorov flow region were determined. From the comparison of the liquid bridge and the drag forces, the competitive mechanism of different forces acting on the particles that conformed the bed was analyzed, reflecting the change of the apparent minimum fluidization velocity of wet particles.en
dc.format.extent14
dc.identifier.bibliographicCitationWang, H., Soria Verdugo, A., Sun, J., Wang, J., Yang, Y. & Hernández Jiménez, F. (2020). Experimental study of bubble dynamics and flow transition recognition in a fluidized bed with wet particles. Chemical Engineering Science, 211, 115257.en
dc.identifier.doihttps://doi.org/10.1016/j.ces.2019.115257
dc.identifier.issn0009-2509
dc.identifier.publicationfirstpage1
dc.identifier.publicationissue115257
dc.identifier.publicationlastpage14
dc.identifier.publicationtitleChemical Engineering Scienceen
dc.identifier.publicationvolume211
dc.identifier.urihttps://hdl.handle.net/10016/33234
dc.identifier.uxxiAR/0000025501
dc.language.isoeng
dc.publisherElsevieren
dc.rights© 2019 Elsevier Ltd.en
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.rights.accessRightsopen accessen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subject.ecienciaFísicaes
dc.subject.otherBubble dynamicsen
dc.subject.otherFlow transitionen
dc.subject.otherIncoherent analysisen
dc.subject.otherTurbulenceen
dc.subject.otherWet particleen
dc.titleExperimental study of bubble dynamics and flow transition recognition in a fluidized bed with wet particlesen
dc.typeresearch article*
dc.type.hasVersionAM*
dspace.entity.typePublication
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